Granted Patent
Utility
US 5,604,329 · App. 08/398,061
Housing, in particular for an electrical tooth cleaning device, and process for producing it
Inventors:
Gerhard Kressner, Peter Hartwein, Georg Spiekermann
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Mar 3, 1995
Inventors
Gerhard Kressner
Peter Hartwein
Georg Spiekermann
Assignee (at issue)
The Braun Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.